$OpenBSD: patch-gcc_lto_lto_c,v 1.3 2013/06/07 07:54:23 pascal Exp $
--- gcc/lto/lto.c.orig	Mon Apr 23 14:44:46 2012
+++ gcc/lto/lto.c	Sat Apr 13 16:20:32 2013
@@ -2486,4 +2486,10 @@ lto_main (void)
     }
 }
 
+const char *
+fname_as_string(int pretty_p)
+{
+	return NULL;
+}
+
 #include "gt-lto-lto.h"
